html, body, #app
 { width: 100%; height: 100%; padding: 0; margin: 0; overflow: hidden; }
 .com-page { width: 100%; height: 100%; overflow: hidden; }
 .com-container { width: 100%; height: 100%; overflow: hidden; position: relative;}
 .com-chart { width: 100%; height: 100%; overflow: hidden; }
 canvas{
     border-radius: 20px;
 }